ClipboardData.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / MS / Internal / Ink / ClipboardData.cs / 1305600 / ClipboardData.cs
                        

                        
                            //---------------------------------------------------------------------------- 
//
// File: ClipboardData.cs
//
// Description: 
//      An abstract clipboard data class
// 
// Features: 
//
// History: 
//  11/17/2004 waynezen:       Created
//
// Copyright (C) 2001 by Microsoft Corporation.  All rights reserved.
// 
//---------------------------------------------------------------------------
 
using System; 
using System.Windows;
using System.Security; 

namespace MS.Internal.Ink
{
    internal abstract class ClipboardData 
    {
        //------------------------------------------------------------------------------- 
        // 
        // Constructors
        // 
        //-------------------------------------------------------------------------------

        //--------------------------------------------------------------------------------
        // 
        // Internal Methods
        // 
        //------------------------------------------------------------------------------- 

        #region Internal Methods 

        /// 
        /// Copy the data to the IDataObject
        ///  
        /// The IDataObject instance
        /// Returns true if the data is copied. Otherwise, returns false 
        ///  
        ///     Critical: This code copies ink content to the clipboard and accepts a dataobject which is
        ///     created under an elevation 
        /// 
        [SecurityCritical]
        internal bool CopyToDataObject(IDataObject dataObject)
        { 
            // Check if the data can be copied
            if ( CanCopy() ) 
            { 
                // Do copy.
                DoCopy(dataObject); 
                return true;
            }

            return false; 
        }
 
        ///  
        /// Paste the data from the IDataObject
        ///  
        /// The IDataObject instance
        internal void PasteFromDataObject(IDataObject dataObject)
        {
            // Check if we can paste. 
            if ( CanPaste(dataObject) )
            { 
                // Do Paste. 
                DoPaste(dataObject);
            } 
        }

        internal abstract bool CanPaste(IDataObject dataObject);
 
        #endregion Internal Methods
 
        //-------------------------------------------------------------------------------- 
        //
        // Protected Methods 
        //
        //--------------------------------------------------------------------------------

        #region Protected Methods 

        // Those are the abstract methods which need to be implemented in the derived classes. 
        protected abstract bool CanCopy(); 
        protected abstract void DoCopy(IDataObject dataObject);
        protected abstract void DoPaste(IDataObject dataObject); 

        #endregion Protected Methods

    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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